Apocalipsis 9

Y tenían corazas como corazas de hierro; y el estruendo de sus alas, como el ruido de carros que con muchos caballos corren á la batalla.

And they had breastplates, as it were breastplates of iron; and the sound of their wings was as the sound of chariots of many horses running to battle.

They had breastplates like breastplates of iron. The sound of their wings was like the sound of many chariots and horses rushing to war.